Figure 6From: Evaluation of cytotoxic, genotoxic and inflammatory responses of nanoparticles from photocopiers in three human cell lines Levels of various cytokines at 6 and 24 h after nanoparticle treatment in primary nasal epithelial cells. The concentrations of various cytokines measured in cell culture supernatant after nanoparticle treatment at different time points. All values are in picograms and represented as mean± SE.Back to article page